Hardcore Calory burning program

I thought It would be cool to share the training I've been doing the last couple of months. Of course, there's a diet but I wont detail it here.
I also play tennis 3 times a week, 1h30 to 2 hours each time. I found myself playing less the last few months, I dont know why, maybe too tired from the gym but it's worth the effort.
And also: I run 15 Km twice a week.
This training I do it twice a week, on tuesday and thursday with my coach at the gym. I will also write my heartrate bpm at the end of each exercise to give an idea.

1st Circuit: No pause between exercises
1min30 pause between each circuit
This circuit is done 5 times

I hope Suzanna McGee, who posts here as sxftlion and has a great fitness training site (Tennis Fitness Training http://www.tennisfitnesslove.com/ ).
She is the most expert poster on kettlebell training here.
She actually is also an expert bodybuilder. Which leads me to ask, did you used to do extensive weight room workouts before developing kettlebell expertise?
How much instruction in kettlebell use did you get?
How much instruction should others get so as to avoid injury swinging the kettlebell?

It's been a while I was at TW, and here I see talking about me. That's a great routine, I do similar things like you. Maxi circuit, no rest between the exercises. I generally hold the planks at least 1 minute. Also, if you want to add even more intensity to your kettlebell swings, add some flips. Underspin, overspin, sidespin... it makes it so much more intense. And I do about 35 swings (1 minute).

I think people should get at least a couple of good lessons in kettlebell training, just for the basic stuff/swing. If they learn the correct swing, then everything else will follow smoothly and quickly.